Assessment of the treatment efficiency of an urban stormwater pond and its impact on the natural downstream watercourse

2018 ◽  
Vol 226 ◽  
pp. 120-130 ◽  
Author(s):  
A. Ivanovsky ◽  
A. Belles ◽  
J. Criquet ◽  
D. Dumoulin ◽  
P. Noble ◽  
...  
Keyword(s):  
Treatment Efficiency ◽  
Urban Stormwater ◽  
Stormwater Pond

scholarly journals In search of effective bioassessment of urban stormwater pond sediments: enhancing the ‘sediment quality triad’ approach with oligochaete metrics

2011 ◽  
Vol 64 (7) ◽  
pp. 1503-1510 ◽  
Author(s):  
G. Tixier ◽  
Q. Rochfort ◽  
L. Grapentine ◽  
J. Marsalek ◽  
M. Lafont
Keyword(s):  
Surface Runoff ◽  
Urban Areas ◽  
Sediment Quality ◽  
Sediment Quality Triad ◽  
Reference Sites ◽  
Complementary Information ◽  
Urban Stormwater ◽  
Stormwater Ponds ◽  
Receiving Waters ◽  
Stormwater Pond

Stormwater ponds have been widely used to control increased volumes and rates of surface runoff resulting from urbanization. As receiving waters, they are under the influence of intermittent pollution from urban wet-weather discharges. Meanwhile they offer new aquatic habitats balancing the transformation of initial ecosystems and their associated biodiversity. Bioassessment of stormwater facilities is therefore crucial to insure the preservation and rehabilitation of biodiversity in urban areas. Nonetheless, the application of traditional bioassessment methodologies such as the sediment quality triad (SQT), based on the comparisons with reference sites, is challenged by the artificial and atypical features of urban stormwater ponds. Our concern in finding a more specific and effective bioassessment methodology led us to consider associating the Oligochaete Index Methodology (OIM) with the SQT. This study shows that although some adjustments were needed, the OIM brought new and complementary information to the SQT assessment on the effects of contaminants and on the biological quality status of the sediment in a test urban stormwater pond.

scholarly journals Contamination of Urban Stormwater Pond Sediments: A Study of 259 Legacy and Contemporary Organic Substances

2021 ◽  
Author(s):  
Kelsey Flanagan ◽  
Godecke-Tobias Blecken ◽  
Heléne Österlund ◽  
Kerstin Nordqvist ◽  
Maria Viklander
Keyword(s):  
Organic Substances ◽  
Urban Stormwater ◽  
Stormwater Pond ◽  
Pond Sediments

RESEARCH AND EVALUATE TREATMENT EFFICIENCY ON TAPIOCA PROCESSING INDUSTRIAL WASTEWATER BY AEROBIC BIOFILTER TECHNOLOGY WITH VARIOUS MATERIALS

2010 ◽  
Vol 13 (3) ◽  
pp. 54-66
Author(s):  
Phuong Thi Thanh Nguyen ◽  
Phuoc Van Nguyen ◽  
Anh Cam Thieu
Keyword(s):  
Wastewater Treatment ◽  
Industrial Wastewater ◽  
Utilization Rate ◽  
Organic Loading ◽  
Treatment Efficiency ◽  
Research Results ◽  
Loading Rates

This study was performed to evaluate the efficiency of tapioca processing wastewater treatment using aerobic biofilter with variety of biofilter media: coir, coal, PVC plastic and Bio - Ball BB15 plastic. Research results in the lab demonstrated all four aerobic biofilter models processed can treated completely N and COD which COD reached 90-98% and N reached 61-92%, respectively, at the organic loading rates in range of 0.5, 1, 1.5 and 2 kgCOD/m3.day. The results identified coir filter was the best in four researched materials with removal COD and specific substract utilization rate can reach 98%, and 0.6 kg COD/kgVSS.day. Research results open the new prospects for the application of the cheap materials, available for wastewater treatment.

Air treatment efficiency of biofilter with adsorbing zeolite layer

Ekologija ◽  
2010 ◽  
Vol 56 (1) ◽  
pp. 72-78 ◽  
Author(s):  
Alvydas Zagorskis ◽  
Pranas Baltrėnas
Keyword(s):  
Treatment Efficiency ◽  
Air Treatment

EVALUATION OF TREATMENT EFFICIENCY AND INFORMATIVITY OF MRI STUDIES IN PATIENTS WITH MIGRAINE

2020 ◽  
Vol 3 (1) ◽  
pp. 41-43
Author(s):  
Dilshod Kholmurodov ◽  
◽  
Aziza Djurabekova ◽  
Shoira Isanova ◽  
Saodat Igamova
Keyword(s):  
White Matter ◽  
Treatment Efficiency ◽  
Focal Lesions ◽  
Mri Studies

Migraine is currently considered a common pathology, which in many cases leads to a decrease in performance. Migraine diagnostics is the most important clinical, biomedical andsocial task. MRI studies are important in the diagnosis of migraine disease. Focal lesions are localized mainly in the white matter, which confirms the clinical nature of the disease. As a drug correction, the drug Sumamigren was proposed, the early intake of which allows avoiding migraine recurrence and transition to chronicity

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